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Fine Jewelry University Articles matching: “European cut”
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Fine Jewelry University (Show All FJU Articles)
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The Magic of Polarized Light
… are a few of the places you will find polarizing filters in everyday life: Sunglasses: Polarized sunglasses help cut through reflections in water and glass so that we can see easier. Camera lens/filters: Polarizing lens filters reduce … only allows one angle to pass through at a time. This helps confirm that a stone is doubly refractive and not just cut with unusual, doubled facet junctions. The Elegance of the Polariscope Another gemological tool that uses polarized …
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Caring for and Cleaning Your Jewelry
… spot can chip or break the stone. This does not mean that diamonds are not very durable. They are the most durable of all gems. In fact diamonds have been through a lot of stress before they reach you. The mining process and cutting tests the stone long before it reaches you. With conscious care, the diamond can last for generations just as beautiful as the day you got it. Diamonds can withstand most chemicals, unfortunately the metal jewelry cannot and will be …
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Diamond Buying Guide: The 4 C’s
… you want. The photo above shows some common diamond carat weights and how they look in comparison to each other. Cut The Cut of a diamond has two main components. First, cut refers to the shape of the stone. Round, marquise, pear, oval…, are especially good at returning light to the viewer which makes them sparkle more than other shapes. The emerald cut, for example, gives a classic look with big flashes of light but very little sparkle or fire. Ultimately, it’s up to …
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How to Value Inherited Jewelry
…operations. The intrinsic values for the gems are based on the cash wholesale price of the gem minus any cost for re-cutting or re-polishing the gem if it is worn or cut in an obsolete style. Intrinsic diamond and gem prices are not …
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Gem in the Spotlight: Opal
… a good time to discuss doublet and triplet opals. These gems are manufactured using a thin slice of natural opal. In doublets, a lapidarist will use a piece of ironstone or black onyx and glue the fragile piece of opal to it before cutting and leaving them glued together after the fact to be set into jewelry. In triplets, that thin piece of opal is sandwiched between a piece of onyx and a clear piece of laboratory grown quartz (the same material that is commonly used …
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Anatomy of a Ring
… between two straight pieces of metal on either side of it (this style is most commonly seen with square or princess cut diamonds). As you may have guessed, all styles of head can wear thin over time and may need to be built up by a … of cathedral arches. Some are sleek and plain, some are wider and covered in accent diamonds. The size and cut of the center stone also may vary, but when you see those arches of metal rising up toward the center, you’ll know, it’s a …
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Frequently Asked Question about Jewelry
… wide a gap between the SI2 and the I1 grade. Why not offer an SI3 grade to bridge the gap? After EGL – Los Angeles (European Gemological Laboratory) started to issue the SI3 grade, even the Rapaport Diamond Report, or the Rap Sheet as it’s …level of trust. For more information see our Custom Design page . What are the 4 C’s? The four C’s are Carat Weight, Cut, Color and Clarity. Carat is the weight of a gem. A carat equals 1/5 of one gram. Cut has two components to it. The …
